Home / 7,914.24-11,870.28-2,071.26

Finding the Fourth Proportional to 7,914.24, 11,870.28 and 2,071.26

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Solution

The fourth proportional to 7,914.24, 11,870.28 and 2,071.26 is: 3,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.24 : 11,870.28 = 2,071.26 : x
  2. Step 2: Convert to fraction form
    7,914.24/11,870.28 = 2,071.26/x
  3. Step 3: Cross multiply
    7,914.24x = 11,870.28 × 2,071.26
  4. Step 4: Simplify right side
    7,914.24x = 24,586,436.15
  5. Step 5: Solve for x
    x = 24,586,436.15/7,914.24
  6. Step 6: Final answer
    x = 3,106.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.